Add a path for content/ to open and control a Bluetooth chooser dialog.

content/public/browser/web_contents_delegate.h

Index: content/public/browser/web_contents_delegate.h
diff --git a/content/public/browser/web_contents_delegate.h b/content/public/browser/web_contents_delegate.h
index 685c1e633d91b6bcd0c87154654c99252ae03cd0..5f17bc97fa9b596f1a6336c1f93bdc55aa1d1da4 100644
--- a/content/public/browser/web_contents_delegate.h
+++ b/content/public/browser/web_contents_delegate.h
@@ -12,6 +12,7 @@
 #include "base/callback.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/bluetooth_chooser.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_type.h"
 #include "content/public/common/media_stream_request.h"
@@ -342,6 +343,13 @@ class CONTENT_EXPORT WebContentsDelegate {
                                   int request_id,
                                   const base::FilePath& path) {}
 
+  // Shows a chooser for the user to select a nearby Bluetooth device. The
+  // observer must live at least as long as the returned chooser object.
+  virtual scoped_ptr<BluetoothChooser> RunBluetoothChooser(
+      WebContents* web_contents,
+      const BluetoothChooser::EventHandler& event_handler,
+      const GURL& origin);
+
   // Returns true if the delegate will embed a WebContents-owned fullscreen
   // render widget.  In this case, the delegate may access the widget by calling
   // WebContents::GetFullscreenRenderWidgetHostView().  If false is returned,